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Amazon rainforest
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- 1World's loudest birds squawk at jackhammer volume▼The world’s loudest birds squawk as loud as a jackhammer
The white bellbird and screaming piha of the Amazon rainforest are reportedly the loudest birds on Earth, with calls reaching roughly 125 decibels — about the level of a jackhammer. The finding comes from recordings of birds calling in the wild, and researchers say the males' extreme songs may be tied to mating displays.